Webster's Revised Unabridged Dictionary · 1913

Jealousy

Jealousy , noun

[ French jalousie. See Jealous, and compare Jalousie.]

The quality of being jealous; earnest concern or solicitude; painful apprehension of rivalship in cases directly affecting one's happiness; painful suspicion of the faithfulness of husband, wife, or lover.
I was jealous for jealousy. — Zech. viii. 2
Jealousy is the... apprehension of superiority. — Shenstone
Whoever had qualities to alarm our jealousy, had excellence to deserve our fondness. — Rambler